Werk #4100: mk_mysql: Only perform queries if mysqladmin ping is successful#

Component

Checks & agents

Title

mk_mysql: Only perform queries if mysqladmin ping is successful#

Date

Dec 12, 2016

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

1.4.0i3	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Previously, a dead MySQL daemon would lead to the mk_mysql plugin causing high server load. This has been fixed by performing the more detailed queries only if the mysqladmin ping is successful.

Thanks to Evy Bongers for this patch.

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